exfoliate
verb (used with object)
to throw off in scales, splinters, etc.
Used to express a completed action that took place before another specific past action occurred.
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Having debuted during the first few months of the Giuliani administration, the show keeps things dingy and menacing way past the point at which the city itself had exfoliated its grimier layers.
From New York Times ● Oct. 2, 2015